Java tutorial
/******************************************************************************* * Copyright (c) 2009 R.Dvorak and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Radek Dvorak - initial API and implementation *******************************************************************************/ package org.eclipse.m2m.internal.qvt.oml.debug.ui; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.debug.ui.DebugUITools; import org.eclipse.debug.ui.IDebugUIConstants; import org.eclipse.jface.dialogs.ErrorDialog; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.jface.viewers.DecorationOverlayIcon; import org.eclipse.jface.viewers.IDecoration; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.plugin.AbstractUIPlugin; import org.osgi.framework.BundleContext; /** * The activator class controls the plug-in life cycle */ public class QVTODebugUIPlugin extends AbstractUIPlugin { // The plug-in fBreakpointID public static final String PLUGIN_ID = "org.eclipse.m2m.qvt.oml.debug.ui"; //$NON-NLS-1$ public static final String DEBUG_EDITOR_ID = "org.eclipse.m2m.qvt.oml.editor.ui.QvtEditor"; //$NON-NLS-1$ // The shared instance private static QVTODebugUIPlugin plugin; /** * The constructor */ public QVTODebugUIPlugin() { plugin = this; } /* * (non-Javadoc) * * @see * org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext * ) */ @Override public void start(BundleContext context) throws Exception { super.start(context); } /* * (non-Javadoc) * * @see * org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext * ) */ @Override public void stop(BundleContext context) throws Exception { plugin = null; super.stop(context); } /** * Returns the shared instance * * @return the shared instance */ public static QVTODebugUIPlugin getDefault() { return plugin; } public static void log(IStatus status) { getDefault().getLog().log(status); } public static void log(Throwable e) { log(new Status(IStatus.ERROR, PLUGIN_ID, 100001, "Unexpected exception caught", e)); //$NON-NLS-1$ } public static IStatus createStatus(int severity, String message) { return new Status(severity, PLUGIN_ID, 0, message, null); } public static IStatus createErrorStatus(String message) { return createStatus(IStatus.ERROR, message); } /** * Returns the active workbench window * * @return the active workbench window */ public static IWorkbenchWindow getActiveWorkbenchWindow() { return getDefault().getWorkbench().getActiveWorkbenchWindow(); } /** * Returns the active workbench shell or <code>null</code> if none * * @return the active workbench shell or <code>null</code> if none */ public static Shell getActiveWorkbenchShell() { IWorkbenchWindow window = getActiveWorkbenchWindow(); if (window != null) { return window.getShell(); } return null; } public static void statusDialog(IStatus status) { switch (status.getSeverity()) { case IStatus.ERROR: statusDialog(DebugUIMessages.StatusDialog_Error, status); break; case IStatus.WARNING: statusDialog(DebugUIMessages.StatusDialog_Warning, status); break; case IStatus.INFO: statusDialog(DebugUIMessages.StatusDialog_Information, status); break; } } public static void statusDialog(String title, IStatus status) { Shell shell = getActiveWorkbenchShell(); if (shell != null) { switch (status.getSeverity()) { case IStatus.ERROR: ErrorDialog.openError(shell, title, null, status); break; case IStatus.WARNING: MessageDialog.openWarning(shell, title, status.getMessage()); break; case IStatus.INFO: MessageDialog.openInformation(shell, title, status.getMessage()); break; } } } public static final Display getStandardDisplay() { Display display = Display.getCurrent(); if (display == null) { display = Display.getDefault(); } return display; } @Override protected ImageRegistry createImageRegistry() { ImageRegistry imageRegistry = super.createImageRegistry(); imageRegistry.put(QVTODebugImages.LOCAL_VARIABLE, imageDescriptor("localvar_obj.gif")); //$NON-NLS-1$ imageRegistry.put(QVTODebugImages.THIS_VARIABLE, imageDescriptor("thisvar_obj.gif")); //$NON-NLS-1$ imageRegistry.put(QVTODebugImages.PREDEFINED_VARIABLE, imageDescriptor("predefvar_obj.gif")); //$NON-NLS-1$ imageRegistry.put(QVTODebugImages.MODEL_PARAMETER, imageDescriptor("modelpar_obj.gif")); //$NON-NLS-1$ imageRegistry.put(QVTODebugImages.ATTRIBUTE, imageDescriptor("attribute_obj.gif")); //$NON-NLS-1$ imageRegistry.put(QVTODebugImages.REFERENCE, imageDescriptor("reference_obj.gif")); //$NON-NLS-1$ imageRegistry.put(QVTODebugImages.COLLECTION_ELEMENT, imageDescriptor("index_element_obj.gif")); //$NON-NLS-1$ imageRegistry.put(QVTODebugImages.INTERM_PROPERTY, overlayImage("intermprop_ovr.gif", //$NON-NLS-1$ imageRegistry.get(QVTODebugImages.ATTRIBUTE), IDecoration.BOTTOM_RIGHT)); imageRegistry.put(QVTODebugImages.CONDITIONAL_BPNT_ENABLED, overlayImage("conditional_ovr.gif", //$NON-NLS-1$ DebugUITools.getImage(IDebugUIConstants.IMG_OBJS_BREAKPOINT), IDecoration.TOP_LEFT)); imageRegistry.put(QVTODebugImages.CONDITIONAL_BPNT_DISABLED, overlayImage("conditional_ovr_disabled.gif", //$NON-NLS-1$ DebugUITools.getImage(IDebugUIConstants.IMG_OBJS_BREAKPOINT_DISABLED), IDecoration.TOP_LEFT)); return imageRegistry; } private ImageDescriptor imageDescriptor(String imagePath) { return imageDescriptorFromPlugin(PLUGIN_ID, "icons/" + imagePath); //$NON-NLS-1$ } private final ImageDescriptor overlayImage(String overImagePath, Image base, int quadrant) { ImageDescriptor decorator = imageDescriptor(overImagePath); return new DecorationOverlayIcon(base, decorator, quadrant); } }